<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        p {
            color: pink;
        }
        div {
            color: blue;
            background-color: red;
        }
    </style>


    <link rel="stylesheet" href="01.css">

</head>
<body>
    <h4 style="color: red;">qwertyui</h4>
    <h4>xx</h4>
    <h4>haha</h4>

    <p>this is a paragraph</p>
    <p>this is a paragraph</p>
    <p>this is a paragraph</p>
    <p>this is a paragraph</p>
    <p>this is a paragraph</p>
    <p>this is a paragraph</p>


<div>xxxxxxxxxxxxxxx</div>
<!--    样式优先级  行内 > 文件内 > 引用-->
<div style="background-color: green">xxxxxxxxxxxxxxx</div>
<div>xxxxxxxxxxxxxxx</div>
<div>xxxxxxxxxxxxxxx</div>
<div>xxxxxxxxxxxxxxx</div>

</body>
</html>